MICROPHOTOKINESIGRAPHIC ANALYSIS OF BUFFALO SPERMATOZOA II. PHOTOKINESIGRAPHIC CHARACTERISTICS OF BUFFALO VIBRATING SPERMATOZOA

Microphotokinesigraphic analysis of buffalo spermatozoa II. Photokinesigraphic characteristics of buffalo vibrating spermatozoa

The study concerns images of vibrating spermatozoa in the ejaculation of buffalo bulls from Bulgarian murrah breed through the method of Tchakarov and Accessories Natchev [1962], obtained at 5 sec exposures, optimal for this particular species.The negative registration material has been developed with high-equalising developer by Windisch, which re

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Habituation to a Deterrent Plant Alkaloid Develops Faster in the Specialist Herbivore Helicoverpa assulta Than in Its Generalist Congener Helicoverpa armigera and Coincides with Taste Neuron Desensitisation

The two closely related moth species, Helicoverpa armigera and H.assulta differ strongly in their degree of host-plant specialism.In dual-choice leaf disk assays, caterpillars of the two species that had been reared on standard artificial diet were strongly deterred BOTHIS by the plant-derived alkaloid strychnine.However, caterpillars of both speci

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